Factor x^2-24x-135. Answers are: A. (x+9)(x+15). B (x+5)(x+27). C (x+3)(x+27). D (x+4)(x+20). E (x-9)(x-15). F (x-5)(x-27)

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.